18856728

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 57704400

約数和(自身を除く): 38847672

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 29, 33, 36, 44, 58, 66, 72, 87, 88, 99, 116, 132, 174, 198, 232, 261, 264, 319, 348, 396, 522, 638, 696, 792, 821, 957, 1044, 1276, 1642, 1914, 2088, 2463, 2552, 2871, 3284, 3828, 4926, 5742, 6568, 7389, 7656, 9031, 9852, 11484, 14778, 18062, 19704, 22968, 23809, 27093, 29556, 36124, 47618, 54186, 59112, 71427, 72248, 81279, 95236, 108372, 142854, 162558, 190472, 214281, 216744, 261899, 285708, 325116, 428562, 523798, 571416, 650232, 785697, 857124, 1047596, 1571394, 1714248, 2095192, 2357091, 3142788, 4714182, 6285576, 9428364, 18856728]

約数ペア:

[(1, 18856728), (2, 9428364), (3, 6285576), (4, 4714182), (6, 3142788), (8, 2357091), (9, 2095192), (11, 1714248), (12, 1571394), (18, 1047596), (22, 857124), (24, 785697), (29, 650232), (33, 571416), (36, 523798), (44, 428562), (58, 325116), (66, 285708), (72, 261899), (87, 216744), (88, 214281), (99, 190472), (116, 162558), (132, 142854), (174, 108372), (198, 95236), (232, 81279), (261, 72248), (264, 71427), (319, 59112), (348, 54186), (396, 47618), (522, 36124), (638, 29556), (696, 27093), (792, 23809), (821, 22968), (957, 19704), (1044, 18062), (1276, 14778), (1642, 11484), (1914, 9852), (2088, 9031), (2463, 7656), (2552, 7389), (2871, 6568), (3284, 5742), (3828, 4926)]